= Precipitation hardening
{wiki=Precipitation_hardening}
Precipitation hardening, also known as age hardening, is a heat treatment process used to increase the strength and hardness of certain metal alloys, particularly those that are non-ferrous, such as aluminum, titanium, and nickel-based alloys. The process involves the formation of fine particles or precipitates within the metal matrix, which impede the movement of dislocations and enhance the material's mechanical properties.
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